The Matsusaki Company near Nashville, Tennessee, is a direct auto parts supplier for the nearby Neptune auto manufacturing plant. In order to gain a competitive advantage and meet quality requirements of its customers, Matsusaki has undertaken a project to achieve ISO certification.
The goal of the international ISO organization and the certification process is the development of a quality management system that provides for continual improvement emphasizing defect prevention and the reduction of process variation and waste. The project management team has developed the following list of required activities necessary to achieve ISO certification:

Construct the network for this project and determine the project schedule. Identify the critical path and determine the expected project duration time and variance. What is the probability that the certification project can be completed within 1 year? within 18months?

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Time Estimates (weeks) Activity Activity Description Predecessor m Appointment of company task force Development of feasibility plan Selection of third party registrar Development of quality manual, procedure, and instruction documents and auditor 10 14 20 4 7 10 4 7 10 Quality system training for all employees Outside training for company quality managers and internal plant auditors Plant preparation and organization to meet ISO 9001 standards including use of SPC charts to identify non-conforming processes Preparation of ISO application documents with outside auditor; set schedule for submissions to registrar Intermal audit of plant 18 24 32 4 6 10 d, f, h, g 10 12 16 Corrective action plans for necessary process improvements Outside auditor visit and audit Corrective action plans developed based on auditor report and implemented Follow up visit and re-audit by auditor Auditor recommendation to registrar for ISO certification 8 12 20 2 45 ni